xmrig | 7b340fee6d7e0dce5a28d40c84299f0e2447b012486b9b851736f600100396f4

General

Target

f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe
Size

784KB
MD5

f09777ab339ee9f239d78f82b7610248
SHA1

2272f35e38842a2cbee73762fb3b3f3c9ad22c2b
SHA256

7b340fee6d7e0dce5a28d40c84299f0e2447b012486b9b851736f600100396f4
SHA512

febfa5d9b92f3a075f67fd9784c5f1ef3ea4eaf87f4ee599ee8692bd4e7a89a07f900b7c4f7efbbc775b694cf8dbe3b4d00270b7ea8b3f917cfab64d7e3055c4
SSDEEP

12288:HjyxqXuhx0/Z7SDXpX6LY1w6eUBE1gPsxMbkBOYmuSFe/bprUclzw:H0qGsZ4XELY15C1gPjwB0g/bicl

Score

10^/10

xmrig discovery miner upx

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 9 IoCs

miner

resource	yara_rule
behavioral1/memory/3064-1-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/3064-15-0x00000000031F0000-0x0000000003502000-memory.dmp	xmrig
behavioral1/memory/3064-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2664-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2664-33-0x00000000030A0000-0x0000000003233000-memory.dmp	xmrig
behavioral1/memory/2664-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2664-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/2664-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/3064-36-0x00000000031F0000-0x0000000003502000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
2664	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
3064	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3064-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/files/0x000c000000012250-10.dat	upx
behavioral1/memory/2664-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/3064-15-0x00000000031F0000-0x0000000003502000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3064	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3064	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe
2664	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2664	3064	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe	31
PID 3064 wrote to memory of 2664	3064	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe	31
PID 3064 wrote to memory of 2664	3064	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe	31
PID 3064 wrote to memory of 2664	3064	f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\Temp\f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\f09777ab339ee9f239d78f82b7610248_JaffaCakes118.exe

Filesize
784KB

MD5
1c7f6621accbc8fb11052a3437301b8c

SHA1
e29f992b08a8349a5916c479c002789d2f19edb2

SHA256
3e84a2e99e5463085be8951de124ccde378740f489cd0b94ed3ec553a53cc976

SHA512
ebd5e87b39bb7c4ecf3c1354e2e349d9db329422a3bb00d77333d28be9059732186ee457d306a38410ff54ecc83fbde9731ba3ed8a51205a82735afb0a14236b

Download Submit
memory/2664-33-0x00000000030A0000-0x0000000003233000-memory.dmp

Filesize
1.6MB

Download
memory/2664-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2664-18-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2664-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2664-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2664-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/2664-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/3064-1-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/3064-7-0x0000000001720000-0x00000000017E4000-memory.dmp

Filesize
784KB

Download
memory/3064-15-0x00000000031F0000-0x0000000003502000-memory.dmp

Filesize
3.1MB

Download
memory/3064-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/3064-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3064-36-0x00000000031F0000-0x0000000003502000-memory.dmp

Filesize
3.1MB

Download

Analysis

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